NOVA"Hunt for the Supertwister"
A NOVA camera team chases storms across the Midwest to capture hair-raising footage of destructive twisters in action. The show focuses on the multi-pronged efforts of two University of Oklahoma scientists to improve the forecasting of twisters - one that uses supercomputers to model virtual tornadoes, another that sends out storm-chasers to gather live data from real storms.G

7:00 pm

Alan Alda in Scientific American Frontiers"Surgical Slimmers"
In spite of the risks, people are lining up to solve their weight problems in the operating room. And if the latest device - an implantable stomach "pacer" - works out, millions more will be taking the surgical way out. D

7:30 pm

EcoSense for Living"Green Jobs"
In post-Katrina New Orleans, there's a shining example of real-life results of green job training. At-risk young people get hands-on training on how to fortify and weatherize homes in The Big Easy. Then EcoSense takes you to Spartanburg, S.C. D

8:00 pm

Alan Alda in Scientific American Frontiers"Hot Times In Alaska"
The landscape is changing as Alaska warms permafrost thaws, glaciers melt, forests succumb to drought and insect attack. Alda joins scientists in the field who are working to determine if these are signs of global warming and what the future may hold.G

9:00 pm

Secrets of the Dead"Airmen and the Headhunters"
Dayak tribesmen of Borneo, known for taking the heads of their enemies, rescue a U.S. bomber crew, shot down over the Japanese-occupied island during World War II. The tribe feeds and protects the crewmen, then leads them to the base of a British special ops officer and Australian commandos. The program features interviews with a surviving crew member, Dayak tribespeople, and Japanese and Australian veterans.G

10:00 pm

NOVA"Hunt for the Supertwister"
A NOVA camera team chases storms across the Midwest to capture hair-raising footage of destructive twisters in action. The show focuses on the multi-pronged efforts of two University of Oklahoma scientists to improve the forecasting of twisters - one that uses supercomputers to model virtual tornadoes, another that sends out storm-chasers to gather live data from real storms.G

11:00 pm

Alan Alda in Scientific American Frontiers"Surgical Slimmers"
In spite of the risks, people are lining up to solve their weight problems in the operating room. And if the latest device - an implantable stomach "pacer" - works out, millions more will be taking the surgical way out. D

11:30 pm

EcoSense for Living"Green Jobs"
In post-Katrina New Orleans, there's a shining example of real-life results of green job training. At-risk young people get hands-on training on how to fortify and weatherize homes in The Big Easy. Then EcoSense takes you to Spartanburg, S.C. D